Thingiverse
Hull Pixel Bot by RobMiles
by Thingiverse
Last crawled date: 3 years ago
Hull Pixelbot
Welcome to Hull PixelBot. A slow moving, easy to make, Arduino powered, tiny robot
.I'm using very cheap stepper motors which seem to work fine. They are a bit slow, but they provide a precision of movement which you just can't get with standard DC motors. I'm also using catapult ammunition (really) for the caster and four AA batteries provide the power.
There are holes you can use to attach sensors and I'm going to work on remixes that can be used to move pens and, eventually, making a moving pixel display (if I can get enough of them together).
More detailed build instructions along with programs will be going up here.
Construction Details
You can make the Hull Pixelbot in stages. The files have been ordered to make this simpler. There are separate files for left, right, front and back elements. At the moment these are identical, but that may change in future.
You can use M3 bolts to hold the robot together. The holes are the right size for the bolts to engage with the filament and hold the robot together. You'll need 6mm, 10mm and 16mm ones. You can find a list of the other components you'll need here.
Basic Chassis
To make the basic chassis you'll need a base, top, motorTowerLeft, motorTowerRight, skidFront, skidBack, wheelLeft and wheelRight. If you fancy adding style, you can use alloyWheel. It's quicker to print too.
If you want to mount a power switch on the rear you can print out powerSwitchHolder. If you want to add a distance sensor and three light sensors to the front you can print out distanceSensorHolder.
Pixels
You can add either a single pixel on the top, or a ring of pixels. Either way you'll need to print out ledSupportLeft and ledSupport right. When you mount them, make sure that the square holes in each face inwards.
If you want to add a single neopixel you can print out the ledCrossSuport and shade elements. If you want to add a ring of neopixels (much more impressive) you can print out ringCrossSupport and ringShade. I've been playing with shades that contain light pipes, you can too if you print out ledPipeShade. The shades should be printed out in white or clear filament. All the shades are push fit.
If you want to add a pixel to the back of your robot, print out shadeBase. The shade will fit on this.
Adding a Breadboard
You can add a breadboard, mounted on top of the Arduino Uno. The breadboardShelf is bolted over the Arduino using the same screws.
Carrying Cheese
If you want to carry cheese, or other small comestables, you can print the cheesePlate. That fits around the large pixel and has a brim to stop your camenbert hitting the carpet.
Version 3 Upgrade
We are now up to version 3.0 which has quite a few improvements and extra bits.
There is a new wheel type (alloy?) which has a specially designed edge profile to hold an elastic band as a tyre. It also has bolt holes each side so that you can tighten against another bolt if required. The size of the slot has also been tweaked to provide a tighter fit on the stepper motor.
We now have fittings for a 12 pixel ring as well as a single led. This looks really good. There are two shades for the large ring. One just covers the entire ring, the other contains 'light pipes' that make it possible to discern individual pixels on the shade surface.
The led supports have been increased in length to make it easier to fit higher circuit boards underneath.
I've added a tray that you can mount on top of the Arduino. This can take a tiny breadboard to make it easier to add additional components.
There's also a cheese tray that fits over the pixel, should you ever want to use your robot to move cheese around.
Thanks for building folks, and keep the comments coming. And pictures. Want pictures.
Update: Made a tiny change to the distance sensor and the rear light supports to stop them from fouling the bolt that holds on the front skid.
Welcome to Hull PixelBot. A slow moving, easy to make, Arduino powered, tiny robot
.I'm using very cheap stepper motors which seem to work fine. They are a bit slow, but they provide a precision of movement which you just can't get with standard DC motors. I'm also using catapult ammunition (really) for the caster and four AA batteries provide the power.
There are holes you can use to attach sensors and I'm going to work on remixes that can be used to move pens and, eventually, making a moving pixel display (if I can get enough of them together).
More detailed build instructions along with programs will be going up here.
Construction Details
You can make the Hull Pixelbot in stages. The files have been ordered to make this simpler. There are separate files for left, right, front and back elements. At the moment these are identical, but that may change in future.
You can use M3 bolts to hold the robot together. The holes are the right size for the bolts to engage with the filament and hold the robot together. You'll need 6mm, 10mm and 16mm ones. You can find a list of the other components you'll need here.
Basic Chassis
To make the basic chassis you'll need a base, top, motorTowerLeft, motorTowerRight, skidFront, skidBack, wheelLeft and wheelRight. If you fancy adding style, you can use alloyWheel. It's quicker to print too.
If you want to mount a power switch on the rear you can print out powerSwitchHolder. If you want to add a distance sensor and three light sensors to the front you can print out distanceSensorHolder.
Pixels
You can add either a single pixel on the top, or a ring of pixels. Either way you'll need to print out ledSupportLeft and ledSupport right. When you mount them, make sure that the square holes in each face inwards.
If you want to add a single neopixel you can print out the ledCrossSuport and shade elements. If you want to add a ring of neopixels (much more impressive) you can print out ringCrossSupport and ringShade. I've been playing with shades that contain light pipes, you can too if you print out ledPipeShade. The shades should be printed out in white or clear filament. All the shades are push fit.
If you want to add a pixel to the back of your robot, print out shadeBase. The shade will fit on this.
Adding a Breadboard
You can add a breadboard, mounted on top of the Arduino Uno. The breadboardShelf is bolted over the Arduino using the same screws.
Carrying Cheese
If you want to carry cheese, or other small comestables, you can print the cheesePlate. That fits around the large pixel and has a brim to stop your camenbert hitting the carpet.
Version 3 Upgrade
We are now up to version 3.0 which has quite a few improvements and extra bits.
There is a new wheel type (alloy?) which has a specially designed edge profile to hold an elastic band as a tyre. It also has bolt holes each side so that you can tighten against another bolt if required. The size of the slot has also been tweaked to provide a tighter fit on the stepper motor.
We now have fittings for a 12 pixel ring as well as a single led. This looks really good. There are two shades for the large ring. One just covers the entire ring, the other contains 'light pipes' that make it possible to discern individual pixels on the shade surface.
The led supports have been increased in length to make it easier to fit higher circuit boards underneath.
I've added a tray that you can mount on top of the Arduino. This can take a tiny breadboard to make it easier to add additional components.
There's also a cheese tray that fits over the pixel, should you ever want to use your robot to move cheese around.
Thanks for building folks, and keep the comments coming. And pictures. Want pictures.
Update: Made a tiny change to the distance sensor and the rear light supports to stop them from fouling the bolt that holds on the front skid.
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